Scoparia dulcis (licorice weed, "Seitakakanabikiso")

Japanese name: セイタカカナビキソウ （背高金引草）
Scientific name: Scoparia dulcis

[Overview]
An annual growing to 80 cm tall.
The stem is erect and branches freely.
The leaves are simple, opposite or in whorls of 3, lanceolate and 3–5 cm long.
The leaf margins are serrated.
Several pale purple flowers about 8 mm across are borne at each leaf axil.

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